The following units of a particular item were available for sale during the calendar year: Jan. 1 Inventory 4,000 units at $40
Apr. 19 Sale 2,500 units
June 30 Purchase 4,500 units at $44
Sept. 2 Sale 5,000 units
Nov. 15 Purchase 2,000 units at $46
The firm maintains a perpetual inventory system. Determine the cost of goods sold for each sale and the inventory balance after each sale, assuming the last-in, first-out method.

When consumers discard their gasoline-powered automobiles for electric-powered ones, this partially reflects the of gasoline?

Dr. dow jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. of the six sections of economics 101 at his university, dr. jones randomly assigns three sections to the traditional method and three sections to the problem-based method for unit 1 of the course. then all sections switch the instructional method for unit 2. he plans to compare the performance of the two groups of sections on their unit 1 and unit 2 exams. this study employs a design.

Match each of the terms below with an example that fits the term. a. fungibility the production of gasoline b. inelasticity the switch from coffee to tea c. non-excludability the provision of national defense d. substitution the demand for cigarettes